通貨オプションボラティリティードル円1週間8.35%に低下 USD/JPYEUR/USDEUR/JPYGBP/USD 1WK8.356.686.466.62 1MO8.976.676.966.53 3MO9.317.057.587.38 6MO9.246.987.997.51 9MO9.327.078.357.78 1YR9.337.148.547.93 GBP/JPYAUD/USDUSD/CHF 1WK7.067.487.63 1MO7.717